87840606 has 16 divisors (see below), whose sum is σ = 200778624. Its totient is φ = 25097304.

The previous prime is 87840587. The next prime is 87840619. The reversal of 87840606 is 60604878.

It is a super-3 number, since 3×87840606³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1045680 + ... + 1045763.

It is an arithmetic number, because the mean of its divisors is an integer number (12548664).

Almost surely, 2^87840606 is an apocalyptic number.

87840606 is an abundant number, since it is smaller than the sum of its proper divisors (112938018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87840606 is a wasteful number, since it uses less digits than its factorization.

87840606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091455.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 87840606 is about 9372.3319403444. The cubic root of 87840606 is about 444.5273034727.

The spelling of 87840606 in words is "eighty-seven million, eight hundred forty thousand, six hundred six".